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[ARM] 3947/1: AT91: cpu_is_XXX macro's

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This patch replaces the arch_identify() in system.h with a set of
cpu_is_XXX() macro's.  This allows for compile-time checking of the
target AT91 processor.

Original patch from David Brownell.

Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Andrew Victor
2006-11-30 11:58:14 +01:00
committed by Russell King
parent 1f4fd0a0d2
commit 79da7a610a
3 changed files with 50 additions and 9 deletions
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2
drivers/serial/atmel_serial.c
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@ -138,7 +138,7 @@ static void atmel_set_mctrl(struct uart_port *port, u_int mctrl)
unsigned int mode;
#ifdef CONFIG_ARM
if (arch_identify() == ARCH_ID_AT91RM9200) {
if (cpu_is_at91rm9200()) {
/*
* AT91RM9200 Errata #39: RTS0 is not internally connected to PA21.
* We need to drive the pin manually.